俄语中，名词的变格取决于它们在句子中的语法角色。

In Russian, the ___declensions of nouns depend on their grammatical roles in sentences.

拉丁语的名词分为五个不同的变格类别。

Latin nouns are divided into five different ___declensions.

这座建筑结构的衰变在其开裂的墙壁上清晰可见。

The ___declension of the building's structure was clearly visible in its cracked walls.